Observations on the macrogametocyte leading to the formation of the oocyst in Eimeria tenella, Railliet and Lucet, 1891, in experimentally infected chicks

Nath, V.; Dutta, G.P.; Sagar, O.

Research Bulletin of the Panjab University, Science 12(3-4): 215-220


ISSN/ISBN: 0555-7631
Accession: 025128296

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In the developing macrogametocyte, macrogamete and oocyst of Eimeria tenella. obtained from the caeca of the experimentally infected chick, 2 distinct types of cytoplasmic inclusions, viz. the mitochondria and lipid bodies, have been identified. Some of the lipid bodies assume large size in the late macrogametocyte, and later occupy a peripheral position in the macrogamete; they form the outer wall of the oOcyst. The smaller lipid bodies seen in the oocyst at this stage form the inner wall. Many fixatives and unmasking agents have been employed for the demonstration of lipids. Lipid bodies also show positive reaction for proteins, RNA and acid mucopoly-saccharides of the type of hyaluronic acid and chondroitin sulphuric acid.